Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing our new design; and,

FIG. 2 is another front view thereof, as shown in a display screen environment.

The broken lines are for environmental purposes only and form no part of the claimed design. The dot dash lines in the figures represent an unclaimed boundary line and form no part of the claimed design. 

CLAIM We claim, the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 